Which Statement Shows an Example of a Commensal Species in One

question 45

Multiple Choice

Which statement shows an example of a commensal species in one host becoming a pathogenic species in another host?

• A) C. difficile flourishes in the large intestine after antibiotic therapy.
• B) New infectious diseases are due to increases in host tropism.
• C) Shigella flexneri preferably infects the tissues of humans and other primates.
• D) E. coli lives harmlessly in the appendix but will be attacked by the immune system if it invades the abdominal cavity.
• E) Up to 30% of pregnant women harbor Group B streptococci in the vagina to no ill effect, but when transmitted to their newborns, a proportion of babies develop serious infection.

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Definitions:

Daniel Pink's Theory

A motivation concept arguing that autonomy, mastery, and purpose fuel individual performance better than traditional rewards.

Very Challenging Tasks

Tasks that are significantly demanding and require a high level of effort and skill to complete.

Mastery And Purpose

The intrinsic motivation that comes from the desire to develop competence in a specific area and pursue meaningful goals.

Empowerment

Providing individuals or groups with the authority, means, and confidence to make decisions and take actions that affect their work or life conditions.